<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>客户端代码</title>
    <style>
      * {
        margin: 0;
        padding: 0;
      }

      .forom {
        position: fixed;
        bottom: 300px;
        left: 0;
        width: 100%;
        background-color: pink;
      }
    </style>
  </head>
  <body>
    <ul id="content"></ul>
    <form class="form"></form>
    <input type="text" placeholder="请输入发送的信息" />
  </body>
</html>
